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公开(公告)号：US20220057873A1
公开(公告)日：2022-02-24
申请号：US17415828
申请日：2019-12-16
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20220029121A1
公开(公告)日：2022-01-27
申请号：US17414058
申请日：2019-12-12
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Daisuke KUBOTA , Nobuharu OHSAWA , Takeyoshi WATABE , Taisuke KAMADA
Abstract: A display apparatus having a function of emitting visible light and infrared light and a light detection function is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and a light-receiving device in a display portion. The first light-emitting device emits both visible light and infrared light and the second light-emitting device emits visible light. The light-receiving device has a function of absorbing at least part of visible light and infrared light. The first light-emitting device includes a first pixel electrode, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a third light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The first light-emitting layer includes a light-emitting material emitting infrared light. The second light-emitting layer and the third light-emitting layer include light-emitting materials emitting visible light with different wavelengths. The active layer includes an organic compound.
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23.发明申请公开(公告)号：US20170177116A1
公开(公告)日：2017-06-22
申请号：US15378120
申请日：2016-12-14
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yasuhiro JINBO , Shingo EGUCHI , Hisao IKEDA , Tetsuji ISHITANI , Taisuke KAMADA
CPC classification number: G06F3/044 , G06F2203/04102 , G06F2203/04103 , G09G3/3225 , G09G3/3648 , G09G2300/0426 , G09G2300/046 , G09G2360/144
Abstract: To provide a novel display panel that is highly convenient or reliable. To provide a novel input and output device that is highly convenient or reliable. To provide a novel data processing device that is highly convenient or reliable. To provide a method for manufacturing a novel display panel that is highly convenient or reliable. The display panel includes a pixel, a third conductive film electrically connected to the pixel, an insulating film including an opening portion overlapping with the third conductive film, and an electrode including a first region in contact with the third conductive film and a second region functioning as a contact point.
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公开(公告)号：US20250077012A1
公开(公告)日：2025-03-06
申请号：US18950355
申请日：2024-11-18
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Kensuke YOSHIZUMI
IPC: G06F3/041 , G06F3/042 , G06V10/147 , G06V40/13
Abstract: A display device featuring a touch detection and a fingerprint imaging functions is provided. A display device includes a light-emitting element and a light-receiving element. The light-emitting element includes a first pixel electrode, a light-emitting layer, and a common electrode, and the light-receiving element includes a second pixel electrode, an active layer, and the common electrode. The first pixel electrode and the second pixel electrode are provided on the same plane. The common electrode overlaps with the first pixel electrode with the light-emitting layer therebetween, and overlaps with the second pixel electrode with the active layer therebetween. A first conductive layer, a second conductive layer, and an insulating layer are provided above the common electrode. The insulating layer is provided above the first conductive layer, and the second conductive layer is provided above the insulating layer. The light-receiving element has a function of receiving light emitted from the light-emitting element.
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公开(公告)号：US20250013333A1
公开(公告)日：2025-01-09
申请号：US18892996
申请日：2024-09-23
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Roy HATSUMI , Taisuke KAMADA
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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Patent Agency Ranking
公开(公告)号：US20250008804A1
公开(公告)日：2025-01-02
申请号：US18883120
申请日：2024-09-12
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daisuke KUBOTA , Taisuke KAMADA , Ryo HATSUMI , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA
IPC: H10K59/35 , H10K50/86 , H10K59/65 , H10K102/00
Abstract: The resolution of a display apparatus having a light detection function is increased. The display apparatus includes a light-emitting device and a light-emitting and light-receiving device. The light-emitting device includes a first pixel electrode, a first light-emitting layer, and a common electrode; the light-emitting and light-receiving device includes a second pixel electrode, a second light-emitting layer, an active layer, and the common electrode; the active layer includes an organic compound; the first light-emitting layer is positioned between the first pixel electrode and the common electrode; the second light-emitting layer and the active layer are each positioned between the second pixel electrode and the common electrode; the light-emitting device has a function of emitting light of a first color; and the light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color. The light-emitting and light-receiving device functions as both a light-emitting device and a light-receiving device, whereby a pixel can have a light-receiving function without an increase in the number of subpixels included in the pixel. Furthermore, the pixel can be provided with a light-receiving function without a reduction in the resolution of the display apparatus or a reduction in the aperture ratio of each subpixel.
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公开(公告)号：US20240206216A1
公开(公告)日：2024-06-20
申请号：US18288333
申请日：2022-04-18
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Akio YAMASHITA , Taisuke KAMADA , Daiki NAKAMURA
CPC classification number: H10K50/13 , H10K50/156 , H10K50/166 , H10K71/231
Abstract: A display apparatus that has a light detection function and has a light detection function with high accuracy is provided. The display apparatus includes a light-receiving device and a first light-emitting device. The light-receiving device includes a first electrode, a light-receiving layer, and a common electrode that are stacked in this order. The first light-emitting device includes a second electrode, a first EL layer, and the common electrode that are stacked in this order. The light-receiving layer includes a first layer, a second layer, and an active layer between the first layer and the second layer. The first layer contains a first substance having a hole-transport property, and the second layer contains a second substance having an electron-transport property. An end portion of the active layer, an end portion of the first layer, and an end portion of the second layer are aligned or substantially aligned with one another. The first EL layer includes a third layer, a fourth layer, and a first light-emitting layer between the third layer and the fourth layer. The third layer contains a third substance having a hole-transport property, and the fourth layer contains a fourth substance having an electron-transport property.
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公开(公告)号：US20240164196A1
公开(公告)日：2024-05-16
申请号：US18417153
申请日：2024-01-19
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Taisuke KAMADA , Yuji IWAKI , Junpei MOMO , Shunpei YAMAZAKI
IPC: H10K65/00 , A61B5/00 , A61B5/1172 , A61B5/145 , A61B5/1455 , G06F3/044 , G06V40/12 , G06V40/13 , H01L25/18 , H10K30/80 , H10K59/40
CPC classification number: H10K65/00 , A61B5/1172 , A61B5/14532 , A61B5/14552 , A61B5/4872 , G06F3/0443 , G06V40/1318 , G06V40/1365 , H01L25/18 , H10K30/80 , H10K59/40 , G09F9/33
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has functions of receiving the first light and converting the first light into an electric signal and functions of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20240111385A1
公开(公告)日：2024-04-04
申请号：US18379287
申请日：2023-10-12
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke Kubota , Ryo HATSUMI , Taisuke KAMADA
CPC classification number: G06F3/044 , G02B6/4298 , G06F3/042 , G06V40/1318
Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.
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公开(公告)号：US20240099038A1
公开(公告)日：2024-03-21
申请号：US17768150
申请日：2020-10-05
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke Kubota , Taisuke KAMADA , Ryo HATSUMI , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA
IPC: H10K39/34 , H10K50/858
CPC classification number: H10K39/34 , H10K50/858
Abstract: A display apparatus having a photoelectric conversion function with high sensitivity is provided. The light extraction efficiency of the display apparatus is increased. The display apparatus includes a light-emitting device, a light-emitting and light-receiving device, a first lens, and a second lens. The light-emitting device has a function of emitting light of a first color. The light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color and converting it into an electric signal. The light emitted by the light-emitting device is emitted to the outside of the display apparatus through the first lens. Light enters the light-emitting and light-receiving device from the outside of the display apparatus through the second lens.
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